Rodriguez, S. M. (1978). An improvised apparatus and suggested activities for teaching sound waves.
Cita Chicago (17th ed.)Rodriguez, Socorro Magallanes. An Improvised Apparatus and Suggested Activities for Teaching Sound Waves. 1978.
Cita MLA (9th ed.)Rodriguez, Socorro Magallanes. An Improvised Apparatus and Suggested Activities for Teaching Sound Waves. 1978.
Atenció: Aquestes cites poden no estar 100% correctes.